CVE-2021-33178 json
The Manage Backgrounds functionality within NagVis versions prior to 1.9.29 is vulnerable to an authenticated path traversal vulnerability.
published 2021-10-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19893
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
The Manage Backgrounds functionality within NagVis versions prior to 1.9.29 is vulnerable to an authenticated path traversal vulnerability. Exploitation of this results in a malicious actor having the ability to arbitrarily delete files on the local system.
Patch / fix
- nagvis nagvis 1.9.29
- nagvis Debian 14, Debian 13, Debian 12 1:1.9.29-1
debian advisories DEBIAN-CVE-2021-33178
Exploit prediction
1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 8.5 | AV:N/AC:L/Au:S/C:N/I:C/A:C |
Affected products
- NagVis NagVis
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
nagvis.org
/downloads/changelog/1.9.29
release-notes, vendor-advisory
-
synopsys.com
/blogs/software-security/cyrc-advisory-nagios-xi
third-party-advisory
- lists.debian.org /debian-lts-announce/2025/05/msg00000.html
Sources
- CVE List CVE-2021-33178
- NVD CVE-2021-33178
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